Procter & Gamble will reveal online all fragrance ingredients in products sold in the U.S. and Canada by the end of 2019 to offer greater transparency to safety-conscious consumers. The list includes more than 2,000 scented products, according to P&G. It will start with wproducts in its fabric, home, and beauty categories, including Tide, Febreze, Herbal Essences and Olay products.